Hair sample

A hair sample is a collection of hair strands, which are usually cut from a person's head. Hair samples usually contain hair that has grown over the last 12 months.

To collect hair samples to assess testosterone, a strain of hair at the at the base of the vertex posterior of the scalp was selected and cut right at the scalp. Hair was put into foil and stored at a dark, room-temperature location.

Labels
Constructs
Available measurements
  • Middle Childhood Cohort

  • T2
    • C
    8.0 - 9.0 years   From 2016-08-21 to 2018-01-24
  • T3
    • C
    9.0 - 10.0 years   From 2017-08-27 to 2018-09-30
  • T4
    • C
    10.0 - 11.0 years   From 2019-01-30 to 2019-10-24
    Mode of collection MeasurementsAndTests   Biological sample/measurement
    Measure name Hair samples - Testosterone
    References
    Groeneveld, M. G., Vermeer, H. J., Linting, M., Noppe, G., van Rossum, E. F. C., & van IJzendoorn, M. H. (2013). Children’s hair cortisol as a biomarker of stress at school entry. Stress, 16(6), 711–715. https://doi.org/10.3109/10253890.2013.817553
    Rippe, R. C. A., Noppe, G., Windhorst, D. A., Tiemeier, H., van Rossum, E. F. C., Jaddoe, V. W. V., Verhulst, F. C., Bakermans-Kranenburg, M. J., van IJzendoorn, M. H., & van den Akker, E. L. T. (2016). Splitting hair for cortisol? Associations of socio-economic status, ethnicity, hair color, gender and other child characteristics with hair cortisol and cortisone. Psychoneuroendocrinology, 66, 56–64. https://doi.org/10.1016/j.psyneuen.2015.12.016
    You can also access this dataset using the API (see API Docs).